#wrapper{
    width: 790px;
    margin: 5px auto;
}
#header{
    height: 100px;
    border: 1px #cc33ff solid;
    margin: 0px auto;
}
#content{
    height: 200px;
    border: 1px #cc33ff solid;
    margin: 2px auto;
}
#footer{
    height: 100px;
    border: 1px #cc33ff solid;
    margin: 5px auto;
}

